Author Archives: Vichem

How Do Middle East Conflicts Affect Chemical Prices in Vietnam?

Chemical prices in Vietnam are showing signs of volatility as geopolitical tensions in the Middle...

How Middle East Conflicts Affect the Global Chemical Market

The Middle East is one of the world’s largest centers for energy and petrochemical production....

What is OH Value? The Significance of the Hydroxyl Value

OH value is an important parameter in many polymer systems and coating materials. This index...

Acid Value (AV): A Parameter That Determines Curing Agent Dosage

Acid Value is an important parameter in the coatings and polymer resin industry. This value...

Rigid vs. Flexible PU Foam: Properties and Applications

PU Foam is a polymer foam material widely used in many industries. However, not everyone...

Methyl Orange: Chemical Properties and Applications

Methyl orange is a familiar pH indicator in analytical chemistry. This compound shows a clear...

What is a Monomer? Definition and Properties

Monomers are an important concept in polymer and materials chemistry. They are small molecular units...

Vinyl Acetate Polymerization Reaction

Vinyl acetate polymerization is the foundation for producing many polymer materials. This process creates polyvinyl...

Paint Bleeding Defect and How to Fix It

Paint bleeding is the discoloration that occurs between paint layers or from the substrate. This...

Classification of Polyurethane Resins

Classification of Polyurethane resins is an important step in material selection. Each PU type has...